#define EVENT_FRAME_RECT_CHANGED					0x8905
#define EVENT_FRAME_MARGIN_CHANGED					0x8906
#define EVENT_FRAME_SHOWHIDE_CHANGED				0x8907
#define EVENT_FRAME_HOLDPLACE_STATE_CHANGED			0x8908
#define EVENT_FRAME_ATTACHED_TO_PARENT				0x8909
#define EVENT_FRAME_DETACHED_FROM_PARENT			0x890A

#define EVENT_BUTTON_CLICKED						0x1123

#define EVENT_SCROLLBAR_SCROLLCHANGED				0x1230

#define EVENT_DOCK_ITEMS_REDOCK_BEGIN				0x1310
#define EVENT_DOCK_ITEMS_REDOCKED					0x1311

#define EVENT_WND_MOVED								0x1423
#define EVENT_WND_ENABLED							0x1424

#define WM_X_MOUSEENTER								(WM_USER + 0x1123)